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Finding the Fourth Proportional to 9,907.01, 14,771.95 and 9,634.85

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Solution

The fourth proportional to 9,907.01, 14,771.95 and 9,634.85 is: 14,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.01 : 14,771.95 = 9,634.85 : x
  2. Step 2: Convert to fraction form
    9,907.01/14,771.95 = 9,634.85/x
  3. Step 3: Cross multiply
    9,907.01x = 14,771.95 × 9,634.85
  4. Step 4: Simplify right side
    9,907.01x = 142,325,474.28
  5. Step 5: Solve for x
    x = 142,325,474.28/9,907.01
  6. Step 6: Final answer
    x = 14,366.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.